(2013·高考北京卷)Don’t turn off the computer before closing all programs,________you
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(2013·高考北京卷)Don’t turn off the computer before closing all programs,________you could have problems. |
答案
A |
解析
选A。题***意思是:在关掉所有的程序之前不要关电脑,要不然你会遇到问题的。or否则,要不然,表示一种否定的条件;and连接表示顺承的并列句;but连接表示转折的并列句;so连接表示因果的并列句。由语境可知正确答案为A项。掌握并列连词的用法以及前后分句的逻辑关系是解题关键。 |
举一反三
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